.shadow{
  box-shadow: 2px 0 6px rgba(0, 21, 41, .35);
}
.side-menu{
  min-height: 100%;
  z-index: 10;
  .logo{
    height: 64px;
    position: relative;
    line-height: 64px;
    padding-left: 24px;
    -webkit-transition: all .3s;
    transition: all .3s;
    overflow: hidden;
    background-color: @layout-trigger-background;
    &.light{
      // background-color: #fff;
      background-color: #4091f7; // change 明亮主题下
      h1{
        // color: @primary-color;
        color: #fff; // change 明亮主题下
      }
    }
    h1{
      color: @menu-dark-highlight-color;
      font-size: 20px;
      margin: 0 0 0 12px;
      display: inline-block;
      vertical-align: middle;
    }
    img{
      width: 32px;
      vertical-align: middle;
    }
  }
}
// 利用 CSS3 修复菜单栏长度问题 
.menu{
  padding: 16px 0;
  height:calc(100% - 64px); 
  overflow: auto;
  overflow-x: hidden;
}
